public class Test {
    public static void main(String[] args) {
        Student stu=new Student();
        System.out.println(Student.getclassRoom(stu));
/*        {
            System.out.println(222);
        }
        Student stu1=new Student();
        Student stu2=new Student();
        Student stu3=new Student();
*//*        System.out.println(stu1.classRoom);
        System.out.println(Student.classRoom);
        System.out.println(Student.getclassRoom());*//*
        System.out.println(Student.classRoom);*/
    }
}
